For which two requirements would you use the Database Resource Manager?
A.
limiting the CPU used per database call
B.
specifying the maximum number of concurrent sessions allowed for a user
C.
specifying the amount of private space a session can allocate in the shared pool of the SGA
D.
limiting the degree of parallelism of operations performed by a user or group of users
E.
specifying an idle time limit that applies to sessions that are idle and blocking other sessions